Background Lower socioeconomic status (SES) and elevated psychosocial stress are
known contributors to adverse pregnancy outcomes; however, biological mechanisms …

Background Lower socioeconomic status (SES) and psychosocial stress during pregnancy
have been associated with adverse birth outcomes. While hypothalamic-pituitary-axis …

Background Prenatal psychological stress during pregnancy has been associated with
adverse reproductive outcomes. A growing animal literature supports an association …

Context Maternal oxidative stress in pregnancy can arise through a multitude of sources and
may have lifelong consequences for the child. Animal studies suggest that prenatal oxidative …

The objectives of this study were to determine whether oxidative stress early in pregnancy
influenced pregnancy outcome. A combination of assays were used for exogenous and …

Background Preterm birth (PTB; gestational age< 37 weeks), the leading cause of infant
morbidity and mortality worldwide, is of particular concern in Puerto Rico. Rates of PTB in …

Background Preterm birth is the leading cause of infant morbidity and mortality worldwide.
Elevated levels of oxidative stress have been associated with an increased risk of delivering …

Background Oxidative stress has been implicated in numerous birth outcomes, including
spontaneous preterm birth. However, the relationship with presentation at delivery has been …

Pregnancy complications including fetal growth restriction, preeclampsia, and preterm birth,
as well as gestational diabetes, affect one in every four to five pregnancies. Accumulating …

Developmental toxicity caused by exposure to a mixture of environmental pollutants has
become a major health concern. Human-made chemicals, including xenoestrogens …